Download a free trial copy of
Starry Night Backyard and explore the night sky yourself.
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“Starry Night is an excellent
aid for exploring the heavens...a superb, well documented program that
will transform you into an expert in no time.”
--ZDNet, 5 star rating
"There are few experiences as invigorating as being out in the countryside standing under a canopy of star on a still night. Starry Night conveys that feeling better than any other desktop planetarium"
--New York Times
StarGazer
Each week most PBS stations air Star
Gazer with Jack Horkheimer, the world's first and only weekly TV series
on naked-eye astronomy. The images on this page illustrate the show for
the week of Monday, March 13, 2000.
Why Is Spring Called Spring and Other Tantalizing Tidbits About the Seasons
Sunrise due east on the vernal equinox in Milwaukee.
Sunset due west 12 hours later on the same day.
Another way of marking the vernal equinox is to use the date and time when the sun crosses an imaginary point in the sky. This image shows how the sun moves through the stars and passes this point (marked in red) on March 20.
Still want to know more?
Click here for an archive of the past shows.
Introduce yourself to the wonders of the night sky with Starry Night Backyard. Astronomy software so realistic and easy to use that learning your way around the night sky has never been easier. Learn how to identify planets, stars and constellations. View the heavens from your own backyard or anyplace on Earth. Blast-off and explore the solar system, ride a comet or check out the view from the International Space Station. Do it all using Starry Night Backyard.
And for those whose interest in the night sky goes even deeper, you'll want to get the new advanced Starry Night Pro. With extended data sets, dozens of new Pro-only features and Internet support not found in any other program you'll wonder how you ever observed without it!
See the wonders of our Universe in all its three-dimensional glory. Pilot a starship through 700 million light years of space and 30,000 galaxies. See what's really out there, with Deep Space Explorer.
Feel free to send us an email if you have any questions about Starry Night that you can't find answered here on our website. We also welcome your feedback and suggestions.
